S 2500 UL S 2500 UL S 2500 UL

 4 cylinder - 4 stroke air cooled engine with horizontally opposed cylinders, hydraulic valves, automatic carburetor, mechanical fuel pump, magneto single or magneto-electronic dual ignition, wet sump pressure lubrication

        Maximum Power                    74 KW / 100 HP at 3000 rpm

        Continous HP                         65 KW / 89 HP at 2600 rpm                                  

        Displacement                         2483 cm³

        Bore                                         97 mm

        Stroke                                     84 mm

        Compression rato                  9.0 : 1

        Ignition single / dual               Magneto / Sauer electronic

        Spark plugs                            NGK D6EA

        Firing Order                             1-3-2-4

        Firing point                              25° BTDC

        Carburetor                               altitude compensation 

        Fuel min. oktane                     98 RON

        Mechanical fuel pump             Sauer

        Starter                                       12 V – 1,2 KW

        Generator                                14 V – 200 W

        Oil pressure                             max. 4,5 bar, min 2 bar at 2500 rpm

        Oil temperature                       max 120°C, min. 50°C

        Oil capacity                             3 ltrs

        Cylinder head temperature    max. 200°C

        Propeller drive                        direct, anti-clockwise

        Dry weight approx.                 74 Kg

        Fuel consumtion in cruise     14-15 ltrs

        Type Certificate No.               4580 / UL